88821533 has 4 divisors (see below), whose sum is σ = 89090208. Its totient is φ = 88552860.

The previous prime is 88821529. The next prime is 88821563. The reversal of 88821533 is 33512888.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88821533 - 2² = 88821529 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88821563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133841 + ... + 134502.

It is an arithmetic number, because the mean of its divisors is an integer number (22272552).

Almost surely, 2^88821533 is an apocalyptic number.

It is an amenable number.

88821533 is a deficient number, since it is larger than the sum of its proper divisors (268675).

88821533 is a wasteful number, since it uses less digits than its factorization.

88821533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268674.

The product of its digits is 46080, while the sum is 38.

The square root of 88821533 is about 9424.5176534399. The cubic root of 88821533 is about 446.1758792749.

The spelling of 88821533 in words is "eighty-eight million, eight hundred twenty-one thousand, five hundred thirty-three".